United Microelectronics Corporation reported unaudited consolidated sales results for the month and year to date ended May 2023. For the month, the company reported net sales of TWD 18,778,488,000 against TWD 24,433,030,000 for the same period a year ago.

For the year to date, the company reported net sales of TWD 91,449,371,000 against TWD 110,652,311,000 for the same period a year ago.